5400032420 has 24 divisors (see below), whose sum is σ = 11344672248. Its totient is φ = 2159136000.

The previous prime is 5400032419. The next prime is 5400032459. The reversal of 5400032420 is 242300045.

It can be written as a sum of positive squares in 4 ways, for example, as 673194916 + 4726837504 = 25946^2 + 68752^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 5400032392 and 5400032401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3131 + ... + 103970.

It is an arithmetic number, because the mean of its divisors is an integer number (472694677).

Almost surely, 2^5400032420 is an apocalyptic number.

It is an amenable number.

5400032420 is an abundant number, since it is smaller than the sum of its proper divisors (5944639828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5400032420 is a wasteful number, since it uses less digits than its factorization.

5400032420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109631 (or 109629 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 5400032420 is about 73484.9128733239. The cubic root of 5400032420 is about 1754.4141539079.

Adding to 5400032420 its reverse (242300045), we get a palindrome (5642332465).

The spelling of 5400032420 in words is "five billion, four hundred million, thirty-two thousand, four hundred twenty".